Roasted Butternut Squash and Cauliflower Soup

Name: Roasted Butternut Squash and Cauliflower Soup
Cuisine: Japanese, Asian
Ingredients: 1 Butternut squash, peeled and chopped; 1 Cauliflower, washed and chopped; 2 Celery sticks, chopped; 1 Onion, chopped; 1 Carrot, chopped; 2 Garlic cloves, minced; 3-4 cups (750ml-1litre) Chicken stock* (*Homemade or without additives); 1 tablespoon plus extra for garnish Fresh parsley; 6 tablespoons Extra virgin olive oil; Sea salt; Black pepper